n | a(n) |
---|---|
1 | 2 |
2 | -1 |
3 | -78 |
4 | 880 |
5 | -4656 |
6 | -14304 |
7 | -423936 |
8 | 8342720 |
9 | 711956736 |
10 | -615707136 |
11 | 21057138688 |
12 | -4663930678272 |
13 | 211912980656128 |
14 | -9178450735677440 |
15 | 40005919124799488 |
16 | 83013253447139328 |
17 | -8525111273818357760 |
18 | -800258888289188708352 |
19 | -15170733077495639179264 |
[2,-1,-78,880,-4656,-14304,-423936,8342720, 711956736,-615707136,21057138688,-4663930678272, 211912980656128,-9178450735677440, 40005919124799488,83013253447139328, -8525111273818357760,-800258888289188708352, -15170733077495639179264] |